--- a/src/ldt/ldt/text/models.py	Thu Aug 02 11:16:36 2012 +0200
+++ b/src/ldt/ldt/text/models.py	Sun Aug 05 15:18:53 2012 +0200
@@ -11,7 +11,7 @@
 
 
 class Annotation(models.Model):
-    external_id = models.CharField(max_length=1024, null=False, unique=True, default=generate_uuid, verbose_name=_('annotation.external_id'))
+    external_id = models.CharField(max_length=255, null=False, unique=True, default=generate_uuid, verbose_name=_('annotation.external_id'))
     uri = models.CharField(max_length=1024, verbose_name=_('annotation.uri'))
     tags_field = tagging.fields.TagField(max_length=2048, null=True, blank=True, verbose_name=_('annotation.tags'))
     title = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('annotation.title'))